--- race-maze.py	2004-11-12 17:33:51.000000000 +0200
+++ race.py	2004-11-13 21:48:34.000000000 +0200
@@ -22,6 +22,7 @@
 from base import *
 from complex import *
 from spread import *
+from math import *
 from classic import bloc9
 
 from __future__ import division
@@ -249,6 +250,46 @@
 		t.add( Box( p1 , p2 ) )
 	return u , t
 
+def CurvyWireObstacle( level ) :
+	u , t = Union() , UnionBox()
+	
+	length = level * 16 + 48
+	
+	# Controls how accurately the curve is modelled
+	# Values up to 5 are usable, 5 being the worst quality
+	# 2 gives 48 objects on level 3
+	dividelength = 2
+	
+	wirewidth = 9 / ( level * 3 )
+	height = rand( 16 ) - 8
+	
+	t = RemoveSafetyTrack( x = length , z = length )
+	
+	# One could add differend functions and select a random one
+	def CurvyFunction( pos ) :
+		return sin( pos / 10 ) * ( trackWidth - 11 ) / 2 + trackWidth / 2 + sin( pos / 4 ) * 4
+	
+	# Offset pos for curve randomness
+	offset = rand( 5000 )
+
+	
+	for i in range( -length , length , dividelength ) :
+		# Get the rotation angle
+		hmov = - CurvyFunction( i + offset ) + CurvyFunction( i + dividelength + offset )
+		angle = atan( hmov / dividelength )
+		degangle = angle * ( 180 / pi )
+		# Piece length
+		plength = sqrt( dividelength ** 2 + hmov ** 2 )
+		# Add the piece
+		# Piece around 0,0,0 for rotation
+		p1 = Point( - wirewidth / 2 , 0 , - plength / 2 - wirewidth / 5 )
+		p2 = Point( wirewidth / 2 , -0.25 , plength / 2 + wirewidth / 5 )
+		# Correct 0,0,0 point for piece
+		p = Point( CurvyFunction( i + dividelength / 2 + offset ) , height , i + dividelength / 2 )
+		u.add( Box( p1 , p2 ).rotate( degangle ).at( p ) )
+
+	return u , t
+
 def EmptyObstacle( level ) :
 	u = Union()
 	t = UnionBox()
@@ -1438,6 +1479,7 @@
 'BlockMaze'		: (  4 ,	False ,		BlockMazeObstacle ) ,
 'Buttress' 		: (  4 ,	True ,		ButtressObstacle ) ,
 'CatWalk' 		: (  4 ,	True ,		CatWalkObstacle ) ,
+'CurvyWire'		: (  10 ,	False ,		CurvyWireObstacle ) ,
 'ClusterBomb' 		: (  0 ,	True ,		ClusterBombObstacle ) ,
 'Empty'			: (  0 , 	False ,		EmptyObstacle ) ,
 'GunLadderHurdle' 	: (  1 ,	True ,		GunLadderHurdleObstacle ) ,